Tekmar tekmarNet Thermostat - Radiant Floor, 2 Heat Pump/Cool, Backup, Humidity

    566.49 566.49 566.49 USD


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    Tekmar tekmarNet Thermostat - Radiant Floor, 2 Heat Pump/Cool, Backup, Humidity


    ControlMicroprocessor control. This is not a safety (limit) control
    Packaged Weight0.9 lb. (400 g)
    Dimensions4-1/2" H x 4-3/4" W x 7/8" D (114 x 120 x 22 mm)
    EnclosureWhite PVC plastic, NEMA type 1
    ApprovalsMeets Class B: ICES & FCC Part 15
    Ambient conditionsIndoor use only, 32 to 122ºF (0 to 50ºC), RH ?90% non-condensing
    EnvironmentalCompatible with chlorinated swimming pool environments. Do not use in presence of ammonia (animal barns), methanol, ethanol, acetone.
    Power Supply24 V ±10%, 60 Hz, 2 VA standby, NEC / CEC Class 2
    Relays24 V (ac) 2A
    0-10 V (dc) Output3.3 V (dc) humidity sensor power, 3.0 mA maximum
    Humidity Sensor0 to 90% +/-3% RH
    Temperature SensorNTC thermistor, 10 k? @ 77°F (25°C ±0.2°C) ß=3892
    -Included SensorsNone

    The tekmarNet® Thermostat 557 is a communicating touchscreen thermostat designed to operate either: a hydronic radiant floor with a two stage heat pump (water-to-air or air-to-air) for heating & cooling and an emergency backup heating system; or two stages of heating and two stages of cooling. There are three auxiliary sensor inputs that can be used to measure room, floor, outdoor or duct temperature. The optional floor sensor allows precise heating of radiant floors. Relative humidity level can be measured and controlled using either the built-in or external humidity sensor. The large touchscreen display allows you to easily adjust 7-day programmable schedules and room temperatures to optimize comfort and energy savings. The 557 can connect to tekmarNet ® controls using two or four wires or it can operate as a stand-alone device.

    • Warm weather shut down, zone synchronization
    • Zone post purge, programmable schedule
    • Temporary hold, away scene key
    • Auto heating cycle, tekmarNet® communication compatible
    • Touchscreen technology, 3 Auxiliary sensor inputs
    • Radiant floor heating and cooling, outdoor and floor temperature display
    • Air group master, network schedule master or member
    • Optimum start, scenes
    • Daylight savings time, backlight

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